Description
Preamp Mode
Tri-Band Wireless Technology
Detachable power cord
Complete the set-up with KEF’s class-leading subwoofers to feel the most immersive cinematic experience
Line-In Adapter
Bowers & Wilkins BB ISW-4 Back Box Headphones Preamp ModeBowers & Wilkins BB ISW 4 Back Box The dedicated closed back box for Bowers & Wilkins ISW 4 in wall subwoofer installations. BB ISW 4 provides the specified enclosure for the ISW 4, with a braced MDF construction and 27. 5 litre internal volume. It is part of the installation system rather than an optional cosmetic accessory. System component Designed around the ISW 4. The ISW 4 installation depends on the correct enclosure volume and compatible